<!--
@license
Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
-->
<x-foo></x-foo>
<script>
(function() {
  class XFoo extends HTMLElement {
    connectedCallback() {
      this.isCreated = true;
    }
  }
  window.customElements.define('x-foo', XFoo);
})();
</script>
